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'.DirIcon' must follow the Thumbnail Managing Standard Specifications #28

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'.DirIcon' must follow the Thumbnail Managing Standard Specifications #28

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b153363
'.DirIcon' must follow the Thumbnail Managing Standard Specifications
azubieta May 9, 2019
c8327ba
Add more details to the .DirIcon about the new DirIcon requirements
azubieta May 9, 2019
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3 changes: 2 additions & 1 deletion draft.md
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@ Version | Date | Notes
--- | --- | ---
Draft | 2016-06-15 | Initial draft of the AppImage Specification started
Draft | 2016-09-18 | Type 2 image format drafted
Draft | 2019-05-09 | `.DirIcon` must follow the Thumbnail Managing Standard Specifications

## Definitions

Expand Down Expand Up @@ -145,7 +146,7 @@ An [AppImage] which conforms to the type 2 image format:
* **SHOULD** contain exactly one `$APPNAME.desktop` file in its root directory with `$APPNAME` being the name of the [payload application]
* **SHOULD** contain icon files below `usr/share/icons/hicolor` following the [Icon Theme Specification](https://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html) for the icon identifier as set in the `Icon=` key of the `$APPNAME.desktop` file. If present, these icon files **SHOULD** be given preference as the icon being used to represent the [AppImage].
* **MAY** contain an `$APPICON.svg`, `$APPICON.svgz` or `$APPICON.png` file in its root directory with `$APPICON` being the icon identifier as set in the `Icon=` key of the `$APPNAME.desktop` file. If present and no icon files matching the icon identifier present below `usr/share/icons/hicolor`, this icon **SHOULD** be given preference as the icon being used to represent the [AppImage]. If a PNG file, the icon **SHOULD** be of size 256x256, 512x512, or 1024x1024 pixels.
* **MUST** contain a `.DirIcon` file as per the [AppDir] specification
* **MUST** contain a `.DirIcon` file that follows the [Thumbnail Managing Standard Specification](https://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html#AEN144) format for large thumbnails. To be more specific it must be a 8bit, 256x256, non-interlaced PNG image with full alpha transparency.

#### The `AppRun` file:

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